Cylinder stand strap



FIG. 1 is a perspective view of my new design for a cylinder stand strap, a cylinder and the rest of the stand being shown in broken lines for illustrative purposes only which form no part of the claimed design;

FIG. 2 is an enlarged plan view thereof;

FIG. 3 is a rear elevation view thereof; and,

FIG. 4 is a front elevation view thereof. 

The ornamental design for a cylinder stand strap, as shown and described. 